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Servers and applications

CVE-2026-109478

ASP.NET Core Denial of Service Vulnerability

Severity
High 7.5
Published
10 Nov 2026
Last changed
10 Nov 2026
Added to UpHeron
10 Nov 2026
Fixed in
8.0.34, 9.0.0-preview.4.24266.19
Sources
CVE Program

Affected software

SoftwareAffected versions
.NETServers and applications · cna:microsoft|.net*
  • From 8.0.0 before 8.0.34
  • From 9.0.0 before 9.0.0-preview.4.24266.19

References

  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-109478